Fix luabind::adl::object forward declare for clang

clang didn't like this, and GCC likes both :P

zone/lua_encounter.h

@@ -8,7 +8,9 @@ class Encounter;
 
 namespace luabind {
 	struct scope;
-	class object;
+	namespace adl {
+		class object;
+	}
 }
 
 luabind::scope lua_register_encounter();
@@ -27,4 +29,4 @@ public:
 
 };
 #endif
-#endif
+#endif

zone/lua_mob.h

@@ -11,7 +11,9 @@ class Lua_ItemInst;
 
 namespace luabind {
 	struct scope;
-	class object;
+	namespace adl {
+		class object;
+	}
 }
 
 luabind::scope lua_register_mob();